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WorksheetsDNA Structure Quiz
Total questions: 12
Worksheet time: 12mins
The two strands of DNA are held together by:
Hydrogen Bonds
Phosphodiester Bonds
Glycolsyl Bonds
Glycosidic Linkages
DNA is built by building blocks called:
Nucleotides
Ribosomes
Purines
Pyrimidines
Which of the following best describes a DNA molecule?
double helix
contains ribose
made of amino acids
contains Uracil
Which organelle is DNA usually found in?
cell membrane
vacuole
ribosome
nucleus
Nucleotides are made up of a sugar, phosphate, and..?
nitrogenous base
nucleic acid
cholesterol
fatty acid
What does DNA stand for?
Deoxyribonucleic acid
Denitrogenous acid
Deribonucleic acid
Diribonucleic acid
Which 2 molecules form the sides (backbone) of the DNA ladder?
deoxyribose sugar and adenine
deoxyribose sugar and a hydrogen bond
deoxyribose sugar and the nucleus
deoxyribose sugar and phosphate
Which shows the correct complementary base pairing for DNA?
C-A, T-G
A-G, C-T
C-G, U-A
T-A, G-C
Nitrogenous bases are joined by which type of bond?
polar bonds
ionic bonds
covalent bonds
hydrogen bonds
Smaller bases (single ring) are called ___ and are __ & __.
purines, T & C
pyrimidines, T & C
pyrimidines, A & G
purines, A & G
Larger bases (double ring) are called ___ and are __ & __.
purines, T & C
pyrimidines, T & C
purines, A & G
pyrimidines, A & G
